Daily Practice · GCSE Science
October 1995 - GCSE Science 5-a-day
Every sheet in October 1995
The same date always regenerates the same five questions, so a sheet you print today is the sheet a classmate prints tomorrow.
- 1st October 1995Why is the live wire dangerous even when a device is switched off?
- 2nd October 1995Describe the plum pudding model.
- 3rd October 1995Explain why a rucksack with wide, padded straps is more comfortable to carry than one with thin straps, for the same load.
- 4th October 1995State the three factors needed for a current-carrying wire to experience a force due to the motor effect.
- 5th October 1995Name the apparatus used to estimate the population of a slow-moving or non-moving species in a field.
- 6th October 1995An amylase reaction is complete after 200 seconds. Calculate the rate of reaction using rate = 1000 / time.
- 7th October 1995Define a communicable disease.
- 8th October 1995A patient's core body temperature has fallen to 35 degrees Celsius. State two physical responses their body makes to raise it back toward normal.
- 9th October 1995Explain one reason it took many years for Darwin's theory of evolution by natural selection to become widely accepted.
- 10th October 1995An atom has atomic number 11 and mass number 23. State the number of protons.
- 11th October 1995Explain why potassium is more reactive than sodium.
- 12th October 1995Calculate the number of moles in 88 g of carbon dioxide. (Mr = 44)
- 13th October 1995State whether the combustion of methane is exothermic or endothermic.
- 14th October 1995State what is meant by dynamic equilibrium.
- 15th October 1995A solution gives a cream precipitate when acidified with dilute nitric acid and then treated with silver nitrate solution. Name the halide ion present.
- 16th October 1995A device transfers 4500 J in 90 s. Calculate its power.
- 17th October 1995Two resistors are connected in parallel across a 12 V battery. State the potential difference across each resistor.
- 18th October 1995Why does a bicycle pump get warm when used?
- 19th October 1995A skydiver reaches terminal velocity during free fall. Explain what is meant by 'terminal velocity'.
- 20th October 1995State the seven regions of the electromagnetic spectrum in order of increasing frequency.
- 21st October 1995State what provides the centripetal force that keeps a planet in orbit around the Sun.
- 22nd October 1995What happens to the DNA before mitosis begins?
- 23rd October 1995State two conditions that increase the rate of transpiration.
- 24th October 1995A lamp is moved from 15 cm to 30 cm away. What happens to the light intensity?
- 25th October 1995Define the term allele.
- 26th October 1995Name the biological process that removes carbon dioxide from the atmosphere and converts it into carbon compounds in a plant.
- 27th October 1995State one environmental benefit of recycling aluminium cans rather than making new aluminium from ore.
- 28th October 1995Explain why graphite conducts electricity but diamond does not.
- 29th October 1995State what is observed when magnesium ribbon is added to copper sulfate solution.
- 30th October 1995State the equation for the mean rate of a reaction in terms of the quantity of reactant used.
- 31st October 1995Explain why carboxylic acids are described as 'weak acids'.